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  1. Effects of different designs and extension of a food frequency questionnaire on response rate, completeness of data and food frequency responses.

    Article - En anglais

    The authors studied how the introduction of several modifications to a basic food frequency questionnaire can influence the results of dietary surveys.

    Modifications covered eight combinations based on three levels: increasing versus decreasing order of frequency categories; questionnaires without versus with questions about portion sizes, and questionnaires without versus with extra non-dietary questions.

    The sample included 6783 women between the ages of 40 and 70 years who took part in mammography screening.

    The women were randomly assigned to one of the eight study groups.

    All of the women in each group received one of the eight differently modified questionnaires.

    Mots-clés Pascal : Enquête, Consommation alimentaire, Psychométrie, Nutrition, Epidémiologie, Comportement alimentaire, Questionnaire, Analyse item, Méthodologie, Homme

    Mots-clés Pascal anglais : Inquiry, Food intake, Psychometrics, Nutrition, Epidemiology, Feeding behavior, Questionnaire, Item analysis, Methodology, Human

    Logo du centre Notice produite par :
    Inist-CNRS - Institut de l'Information Scientifique et Technique

    Cote : 93-0202736

    Code Inist : 002B29B. Création : 199406.